German destroyer Z8 Bruno Heinemann

Bruno Heinemann had an overall length of {{convert|119|m|ftin|sp=us}} and was {{convert|114|m|ftin|sp=us}} long at the waterline. The ship had a beam of {{convert|11.30|m|ftin|sp=us}}, and a maximum draft of {{convert|4.23|m|ftin|sp=us}}. She displaced {{convert|2171|t|LT|sp=us}} at standard and {{convert|3110|t|LT|sp=us}} at deep load. The Wagner geared steam turbines were designed to produce {{convert|70000|PS|kW shp|lk=on|0}} which would propel the ship at {{convert|36|kn|lk=on}}. Steam was provided to the turbines by six high-pressure Wagner boilersGröner, p. 199 with superheaters. Bruno Heinemann carried a maximum of {{convert|752|t|LT|0|sp=us}} of fuel oil which was intended to give a range of {{convert|4400|nmi|abbr=on|lk=in}} at {{convert|19|kn}}, but the ship proved top-heavy in service and 30% of the fuel had to be retained as ballast low in the ship.Whitley, p. 26 The effective range proved to be only {{convert|1530|nmi|abbr=on|lk=in}} at {{convert|19|kn}}.Koop and Schmolke, p. 26

Bruno Heinemann carried five 12.7 cm SK C/34 guns in single mounts with gun shields, two each superimposed, fore and aft. The fifth gun was carried on top of the rear deckhouse. Her anti-aircraft armament consisted of four 3.7 cm SK C/30 guns in two twin mounts abreast the rear funnel and six 2 cm C/30 guns in single mounts. The ship carried eight above-water {{convert|53.3|cm|in|adj=on|sp=us}} torpedo tubes in two power-operated mounts. A pair of reload torpedoes were provided for each mount.Whitley, p. 68 Four depth charge throwers were mounted on the sides of the rear deckhouse and they were supplemented by six racks for individual depth charges on the sides of the stern. Enough depth charges were carried for either two or four patterns of 16 charges each.Whitley, p. 299 Mine rails could be fitted on the rear deck that had a maximum capacity of 60 mines. A system of passive hydrophones designated as 'GHG' ({{langx|de|Gruppenhorchgerät}}) was fitted to detect submarines.Whitley, pp. 83–84

The ship was ordered on 9 January 1935 and laid down at DeSchiMAG, Bremen on 14 January 1936 as yard number W902. She was launched on 15 September 1936 and completed on 8 January 1937.Whitley, p. 270 Bruno Heinemann sailed in company with her sister Z5 Paul Jakobi to Norway in April 1938 to test the new 15 cm TbtsK C/36 naval gun planned for later classes of destroyers.Whitley, pp. 93–95 Bruno Heinemann had been fitted with four of the new weapons, but the test was not successful as they seriously affected Bruno Heinemann{{'}}s stability.Skwiot, pp. 161–162 The guns were removed after gunnery trials off Ålesund were completed. The ship participated in the August 1938 Fleet Review as part of the 6th Destroyer Division and the following fleet exercise. Early in 1939, she spent several months in the Baltic Sea to evaluate whether reduced steam pressure would solve some of the problems of her high-pressure steam plant.

When World War II began, Bruno Heinemann was initially deployed in the Baltic to operate against the Polish Navy and to enforce a blockade of Poland,Whitley, p. 99 but she was soon transferred to the German Bight where she joined her sisters in laying defensive minefields.Rohwer, p. 2 She also patrolled the Skagerrak to inspect neutral shipping for contraband goods and was also briefly refitted during this time. After completing her refit, Bruno Heinemann and Paul Jakobi were bound for the Baltic via the Kiel Canal when they were attacked by 11 Handley Page Hampden bombers of No. 144 Squadron RAF on 29 September. The British aircraft failed to damage the German ships and five were shot down by Messerschmitt Bf 109E fighters.Whitley, pp. 101, 103{{cite book|last=Hall|first=Alan W|title=Handley Page Hampden and Hereford|publisher=Warpaint Books|location=Bletchley, Buckinghamshire|series=Warpaint|volume=57|page=13}}

Although the other destroyers were busy escorting the German heavy ships and laying minefields off the British coast in October and November,Whitley, pp. 100–12 Bruno Heinemann played no part of any of these operations until the night of 12/13 December.Whitely, p. 110 Under the command of Commodore Friedrich BonteHervieux, p. 113 in his flagship Hermann Künne, Bruno Heinemann, Richard Beitzen, Friedrich Ihn, and Erich Steinbrinck laid 240 mines off the mouth of the River Tyne, where the navigation lights were still lit. The British were unaware of the minefield's existence and lost eleven ships totaling 18,979 Gross Register Tons (GRT).Rohwer, p. 11 While withdrawing at high speed Bruno Heinemann suffered a serious fire in one of her turbine rooms and was ordered to heave-to while the fire was put out. The destroyers were later ordered to escort the crippled light cruisers {{ship|German cruiser|Leipzig||2}} and {{ship|German cruiser|Nürnberg||2}} which had been torpedoed by the submarine {{HMS|Salmon|N65|6}} while covering the destroyers' withdrawal. Despite their escort, the submarine {{HMS|Ursula|N59|6}} managed to sneak inside the anti-submarine screen and fired a salvo of six torpedoes at Leipzig in the Elbe estuary.Whitley, p. 111 Two of the torpedoes struck the destroyer escort F9 which sank three minutes later with heavy loss of life, but the other torpedoes missed. On the night of 10/11 January 1940 the ship laid a minefield off Cromer with her sisters Wolfgang Zenker and Erich Koellner. Three ships totaling 11,155 GRT were sunk by this minefield.Rohwer, p. 13 The same three ships made another sortie on the night of 9/10 February into the same area and laid 157 mines that claimed three more ships totaling 11,855 GRT.Whitley, p. 113

Bruno Heinemann was allocated to Group 2 for the Norwegian portion of Operation Weserübung. The group's task was to transport the 138th Mountain Infantry Regiment (138. Gebirgsjäger Regiment) to seize Trondheim together with the heavy cruiser {{ship|German cruiser|Admiral Hipper||2}}. The ships began loading troops on 6 April and set sail the next day.Whitley, pp. 118–19 Bruno Heinemann and her sisters Paul Jakobi and Theodor Riedel each carried a company of mountain troops tasked to seize the forts defending the entrance to the Trondheimsfjord. After passing the surprised forts the ships were able to land their troops and capture the forts with little difficulty. All of the destroyers had suffered storm damage en route and were low on fuel because none of the oil tankers had arrived yet. Admiral Hipper was ordered home on 10 April. Fuel was transferred from Bruno Heinemann and Paul Jakobi to Friedrich Eckoldt sufficient to give the heavy cruiser some anti-submarine protection.Haarr, pp. 296, 300 However, even this proved to be insufficient fuel, so the Friedrich Eckoldt was ordered to return later that night. Two days later enough fuel had been found in Trondheim to allow Friedrich Eckoldt and Bruno Heinemann to sail on 14 April; they reached Germany the next day without incident.Haarr, p. 303 Sometime in 1939–41 the ship was fitted with a FuMO 21 or FuMO 24 radar set above the bridge.Groener, p. 200

The ship escorted a force of minelayers on the nights of 29/30 April and 9/10 May 1940 in the vicinity of the Great Fisherman's Bank, but the second sortie turned back when British destroyers were spotted.Rohwer, pp. 22–23 Bruno Heinemann began a lengthy refit later that month and she was still not combat worthy in November. On 5 April 1941, Bruno Heinemann left Germany for Occupied France and she was attacked by two torpedo bombers en route, but suffered no damage. The ship and the other destroyers present escorted commerce raiders, blockade runners and major warships as they used the French Atlantic coast ports until she was recalled on 6 September for another refit.Whitley, pp. 134, 140, 145 Bruno Heinemann probably was fitted at this time with a four-barrel 2-centimeter AA gun on her aft deckhouse that replaced the pair of 2-centimeter guns originally mounted there. She escorted the battleship {{ship|German battleship|Tirpitz||2}} in mid-January 1942 as she sailed from the Baltic to Trondheim.Rohwer, p. 135 Bruno Heinemann, together with the rest of the 5th Destroyer Flotilla, sailed from Kiel on 24 January for France as part of the preparations for the Channel Dash.Whitley, p. 146 On the evening of 25 January, she struck two mines laid by {{HMS|Plover|M26|6}}Rohwer, pp. 138–39 off the Belgian coast. The first detonated beneath the ship and knocked out Nos. 2 and 3 boiler rooms and the second blew the ship's bow off shortly afterwards. 98 members of the ship's crew lost their lives: 93 were lost at sea, while another five, who had originally been among the 234 men rescued, died of their wounds.Whitley, p. 147

{{Reflist|2}}

• {{Cite book |last=Gröner|first=Erich|title=German Warships 1815–1945|year=1990 |location=Annapolis, Maryland|volume=1: Major Surface Warships|publisher=Naval Institute Press |isbn=0-87021-790-9|author-link=Erich Gröner}}
• {{cite book|last=Haarr|first=Geirr H.|title=The German Invasion of Norway, April 1940|year=2009 |publisher=Naval Institute Press|location=Annapolis, Maryland|isbn=978-1-59114-310-9|url-access=registration|url=https://archive.org/details/germaninvasionof00geir}}
• {{cite book|last=Hervieux|first=Pierre|title=Warship|editor=Roberts, John|publisher=Conway Maritime Press|location=Greenwich, England|year=1980|volume=IV|chapter=German Destroyer Minelaying Operations Off the English Coast (1940–1941)|isbn=0-87021-979-0}}
• {{cite book |last1=Koop |first1=Gerhard|last2=Schmolke |first2=Klaus-Peter|title=German Destroyers of World War II |year=2003 |publisher=Naval Institute Press |location=Annapolis, Maryland |isbn=1-59114-307-1}}
• {{cite book|last=Rohwer|first=Jürgen|title=Chronology of the War at Sea 1939–1945: The Naval History of World War Two |publisher=Naval Institute Press|location=Annapolis, Maryland|year=2005 |edition=Third Revised |isbn=1-59114-119-2|author-link=Jürgen Rohwer}}
• {{cite book|last1=Skwiot|first1=Miroslaw|title=German Naval Guns: 1939-1945|date=2011|publisher=Seaforth|location=Barnsley|isbn=978-1591143116}}
• {{cite book |last=Whitley|first=M. J. |title=German Destroyers of World War Two |publisher=Naval Institute Press |location=Annapolis, Maryland|year=1991 |isbn=978-1-55750-302-2|author-link=Michael J. Whitley}}

• [http://www.german-navy.de/kriegsmarine/ships/destroyer/index.html Kriegsmarine destroyers]

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